APA
Peitgen H., Jurgens H. & Saupe D. (1992). Fractals for the classroom : part one : introduction to fractals and chaos. New York, N.Y: National Council of Teachers of Mathematics.
Chicago
Peitgen Heinz-Otto, Jurgens Hartmut and Saupe Dietmar. 1992. Fractals for the classroom : part one : introduction to fractals and chaos. New York, N.Y: National Council of Teachers of Mathematics.
Harvard
Peitgen H., Jurgens H. and Saupe D. (1992). Fractals for the classroom : part one : introduction to fractals and chaos. New York, N.Y: National Council of Teachers of Mathematics.
MLA
Peitgen Heinz-Otto, Jurgens Hartmut and Saupe Dietmar. Fractals for the classroom : part one : introduction to fractals and chaos. New York, N.Y: National Council of Teachers of Mathematics. 1992.